revert to 5df0bc5 as in pull request

config.py

@@ -97,13 +97,21 @@ pid_kp = 25   # Proportional 25,200,200
 pid_ki = 10   # Integral
 pid_kd = 200  # Derivative
 
+########################################################################
+#
+# Initial heating and Integral Windup
+#
+# this setting is deprecated and is no longer used. this happens by
+# default and is the expected behavior.
+stop_integral_windup = True
+
 ########################################################################
 #
 #   Simulation parameters
 simulate = True
 sim_t_env      = 60.0   # deg C
 sim_c_heat     = 500.0  # J/K  heat capacity of heat element
-sim_c_oven     = 10000.0 # J/K  heat capacity of oven
+sim_c_oven     = 5000.0 # J/K  heat capacity of oven
 sim_p_heat     = 5450.0 # W    heating power of oven
 sim_R_o_nocool = 0.5   # K/W  thermal resistance oven -> environment
 sim_R_o_cool   = 0.05   # K/W  " with cooling
@@ -127,7 +135,7 @@ time_scale_profile  = "m" # s = Seconds | m = Minutes | h = Hours - Enter and vi
 # naturally cool off. If your SSR has failed/shorted/closed circuit, this
 # means your kiln receives full power until your house burns down.
 # this should not replace you watching your kiln or use of a kiln-sitter
-emergency_shutoff_temp = 2350 #2264 #cone 7
+emergency_shutoff_temp = 2264 #cone 7
 
 # If the current temperature is outside the pid control window,
 # delay the schedule until it does back inside. This allows for heating

lib/oven.py

@@ -314,7 +314,7 @@ class Oven(threading.Thread):
     def __init__(self):
         threading.Thread.__init__(self)
         self.daemon = True
-        self.temperature = 70
+        self.temperature = 0
         self.time_step = config.sensor_time_wait
         self.reset()
 
@@ -356,12 +356,11 @@ class Oven(threading.Thread):
             # kiln too cold, wait for it to heat up
             if self.target - temp > config.pid_control_window:
                 log.info("kiln must catch up, too cold, shifting schedule")
-                self.profile.shift_remaining_segments(self.runtime, 10)
-                self.totaltime = self.profile.get_duration()
+                self.start_time = self.get_start_time()
             # kiln too hot, wait for it to cool down
             if temp - self.target > config.pid_control_window:
-                self.profile.shift_remaining_segments(self.runtime, 10)
-                self.totaltime = self.profile.get_duration()
+                log.info("kiln must catch up, too hot, shifting schedule")
+                self.start_time = self.get_start_time()
 
     def update_runtime(self):
 
@@ -680,21 +679,6 @@ class Profile():
 
         return (prev_point, next_point)
 
-    def get_next_point(self, now):
-        next_point = None # Handle error if nothing found
-        for i in range(len(self.data)):
-            if now < self.data[i][0]:
-                next_point = i
-                break
-
-        return next_point
-
-    def shift_remaining_segments(self, now, shift_seconds):
-        next_point = self.get_next_point(now)
-        for i in range(len(self.data)):
-            if i >= next_point:
-                self.data[i][0] += shift_seconds
-
     def get_target_temperature(self, time):
         if time > self.get_duration():
             return 0
@@ -749,7 +733,7 @@ class PID():
             icomp = (error * timeDelta * (1/self.ki))
             self.iterm += (error * timeDelta * (1/self.ki))
             dErr = (error - self.lastErr) / timeDelta
-            output = self.kp * error #+ self.iterm + self.kd * dErr
+            output = self.kp * error + self.iterm + self.kd * dErr
             output = sorted([-1 * window_size, output, window_size])[1]
             out4logs = output
             output = float(output / window_size)

storage/profiles/test-fast.json

@@ -1 +1 @@
-{"data": [[0, 70], [3600, 200], [10800, 2000], [14400, 2250], [16400, 2250], [19400, 1000]], "type": "profile", "name": "test-fast"}
+{"data": [[0, 200], [3600, 200], [10800, 2000], [14400, 2250], [16400, 2250], [19400, 70]], "type": "profile", "name": "test-fast"}